| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.net.flow.instructions; |
| |
| import org.onlab.packet.TpPort; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| |
| /** |
| * Abstraction of a single traffic treatment step. |
| */ |
| public abstract class L4ModificationInstruction implements Instruction { |
| |
| /** |
| * Represents the type of traffic treatment. |
| */ |
| public enum L4SubType { |
| /** |
| * TCP src modification. |
| */ |
| TCP_SRC, |
| |
| /** |
| * TCP dst modification. |
| */ |
| TCP_DST, |
| |
| /** |
| * UDP src modification. |
| */ |
| UDP_SRC, |
| |
| /** |
| * UDP dst modification. |
| */ |
| UDP_DST |
| |
| //TODO: remaining types |
| } |
| |
| /** |
| * Returns the subtype of the modification instruction. |
| * |
| * @return type of instruction |
| */ |
| public abstract L4SubType subtype(); |
| |
| @Override |
| public Type type() { |
| return Type.L4MODIFICATION; |
| } |
| |
| /** |
| * Represents a L4 src/dst modification instruction. |
| */ |
| public static final class ModTransportPortInstruction extends L4ModificationInstruction { |
| |
| private final L4SubType subtype; |
| private final TpPort port; |
| |
| public ModTransportPortInstruction(L4SubType subtype, TpPort port) { |
| this.subtype = subtype; |
| this.port = port; |
| } |
| |
| @Override |
| public L4SubType subtype() { |
| return this.subtype; |
| } |
| |
| public TpPort port() { |
| return this.port; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(subtype().toString()) |
| .add("port", port).toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(type(), subtype(), port); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof ModTransportPortInstruction) { |
| ModTransportPortInstruction that = (ModTransportPortInstruction) obj; |
| return Objects.equals(port, that.port) && |
| Objects.equals(this.subtype(), that.subtype()); |
| } |
| return false; |
| } |
| } |
| } |